Designation:D2380−04(Reapproved2011)StandardTestMethodforMethanolContentofFormaldehydeSolutions1ThisstandardisissuedunderthefixeddesignationD2380;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodprovidesforthecalculationofthemethanolcontentofcommerciallyavailable37%formalde-hydesolutionsandisbasedontherelationshipofspecificgravitytoformaldehydeandmethanolcontent.2Separateequationsaregivenforthreerangesofmethanol:0to2%,6to8%,and12to15%.1.2Forpurposesofdeterminingconformanceofanob-servedoracalculatedvalueusingthistestmethodtorelevantspecifications,testresult(s)shallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Forhazardinformationandguidance,seethesupplier’sMaterialSafetyDataSheet.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection4.2.ReferencedDocuments2.1ASTMStandards:3D268GuideforSamplingandTestingVolatileSolventsandChemicalIntermediatesforUseinPaintandRelatedCoatingsandMaterialD2194TestMethodforConcentrationofFormaldehydeSolutionsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications3.SignificanceandUse3.1Thistestmethodprovidesameasurementofmethanolcontentofformaldehydesolutions.Theresultsofthesemea-surementscanbeusedforspecificationacceptance.3.2Thistestmethodisapplicableto37%formaldehydesolutionscontaining0to2%,6to8%,or12to15%methanol.4.Hazards4.1Formaldehydeandformal...